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AVI at a glance
AVI
AVI grew from Microsoft's RIFF multimedia architecture, which is why its structure reflects chunked stream handling and older desktop-video assumptions.
PFM at a glance
PFM
These formats persist in engineering, compression research, and conversion-tool contexts where simple sample storage or adjunct technical representation is useful.
Format comparison
| Feature | AVI | PFM |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1992 | 1995 |
| Inventor | Microsoft | Paul Debevec |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use AVI
- Your source file is already in AVI.
- Preserve source expectations before exporting to PFM.
- AVI is commonly used in video workflows.
When to use PFM
- Your target workflow expects PFM.
- Improve delivery compatibility with PFM.
- PFM is commonly used in image workflows.
FAQs
Why convert AVI to PFM?
Convert to PFM when high-precision floating-point image data must survive for rendering, HDR processing, or technical analysis.
It is useful as a working format in graphics and research pipelines.
What changes when converting AVI to PFM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PFM adds HDR content. Moving to PFM removes streaming delivery.
What should I review after converting AVI to PFM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.